# Service bulletin 20NA060

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10174082
- Published by NHTSA: 2020\-04\-27
- Manufacturer's number: 20NA060
- Manufacturer's date: 2020\-03\-09
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION; BACK OVER PREVENTION

## NHTSA's summary

This technical bulletin provides a procedure to replace the front differential carrier sun gear if found the cause of the high pitch noise from the transmission.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10174082-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10174082-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Driver assistance, Transmission and driveline, Automatic transmission, Backup camera

## Vehicles listed

- 2020 CADILLAC XT5
- 2020 CADILLAC XT6
- 2020 CHEVROLET BLAZER
- 2020 GMC ACADIA

## Recalls for the same vehicles and component

- [22V709000](/recalls/nhtsa/22V709000.md), 2022-09-22: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
- [20V668000](/recalls/nhtsa/20V668000.md), 2020-10-29: POWER TRAIN:AUTOMATIC TRANSMISSION

## Other bulletins for the same vehicles and component

- [PIT5931C](/bulletins/10246001.md), 2023-12-04, Service bulletin: BACK OVER PREVENTION. This Preliminary information communicates that a vehicle may be encountered with a clunk or rattle from the front of the vehicle. The dealer technician is instructed to remove the cradle brace and see if the noise is gone. If the noise is gone with the brace removed the tech is instructed to reinstall the brace and torque it to specification.
- [PIT5931B](/bulletins/10245991.md), 2023-12-04, Service bulletin: BACK OVER PREVENTION. This Preliminary information communicates that a vehicle may be encountered with a clunk or rattle from the front of the vehicle. The dealer technician is instructed to remove the cradle brace and see if the noise is gone. If the noise is gone with the brace removed the tech is instructed to reinstall the brace and torque it to specification.
- [17\-NA\-066](/bulletins/10239647.md), 2023-07-25, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
- [23\-NA\-062](/bulletins/10237843.md), 2023-06-19, Service bulletin: EQUIPMENT; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of Rear View Camera Issues \- DTCs B395A, B395B, B395C, B101E, B101D.
- [23\-NA\-062](/bulletins/10234186.md), 2023-04-14, Service bulletin: BACK OVER PREVENTION; ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides repair information to correct a customer concern of Rear View Camera Coaxial Related Issues \- DTCs B395A, B395B, B395C, B101E, B101D.
- [PIP5623](/bulletins/10232815.md), 2023-03-13, Service bulletin: BACK OVER PREVENTION; ENGINE AND ENGINE COOLING. This Preliminary information communicates that a rotational clicking noise heard after engine shut down is a design characteristic and no repairs should be attempted.
- [PIT5921A](/bulletins/10232793.md), 2023-03-13, Service bulletin: BACK OVER PREVENTION. This Preliminary information communicates diagnostics aids for rear view camera issues that may be encountered.
- [PIP5621C](/bulletins/10224285.md), 2022-10-17, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN. This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
- [PIT5931A](/bulletins/10224276.md), 2022-10-17, Service bulletin: SUSPENSION; BACK OVER PREVENTION. This Preliminary information communicates that a vehicle may be encountered with a clunk or rattle from the front of the vehicle. The dealer technician is instructed to remove the cradle brace and see if the noise is gone. If the noise is gone with the brace removed the tech is instructed to reinstall the brace and torque it to specification.
- [PIT5847E](/bulletins/10217783.md), 2022-08-15, Service bulletin: POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:COOLER/RADIATOR:HOSES AND FITTINGS. This Preliminary information communicates that a vehicle may come into the dealer with various concerns which may include a service engine light or various warning messages on the DIC. The technician is instructed to inspect a wiring harness for chaffing on a bracket which is located beneath the battery tray, at a transmission stud and at the transmission oil cooler line bracket. If damage to the harness is found the technician is instructed to repair the damaged wiring and secure the harness away from the bracket so that future damage to the harness will be eliminated.

JSON: [/v1/bulletins/10174082](/v1/bulletins/10174082)

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